Hylamorpha elegans

Hylamorpha elegans is a species of beetle in the family Scarabaeidae. It is the only species in the genus Hylamorpha. This beetle is native to South America, particularly in Chile and Argentina. This beetle is recognized for its appearance and ecological role within its habitat as a decomposer. Its glossy green exoskeleton, with variations in color across its head, pronotum, and elytra, make it. This species is primarily nocturnal, so is often observed foraging for food at night. Their mating behavior is influenced by host-plant volatiles, with males being attracted to females emitting specific pheromones while feeding on leaves. Once mating occurs, females lay eggs on preferred host plants, such as red clover. These beetles are agricultural pests, causing damage to crops by feeding on grass and cereal roots in their larval stage. Additionally, they defoliate trees like Nothofagus species during adulthood, impacting forest ecosystems. Predators such as the black-faced ibis and rainbow trout contribute to controlling their population. Understanding their genetics, including chemoreception mechanisms mediated by odorant-binding proteins and chemoreceptors, provides insights into their behavior and potential management strategies. Their interactions with humans and livestock create problems in agriculture and forestry, driving the exploration of alternative pest management approaches like disrupting mating behavior or enhancing soil organic matter to reduce larval damage.

from Wikipedia